In twenty years, will the best evidence show very substantial (>one quarter) declines in fertility rate (relative to couples trying equally hard to conceive in the past) due to decreasing sperm count, in at least one country?

In 2030, what will consensus say is the primary cause of the decline in testosterone levels over the past few decades?

Will the WHO state that there is conclusive evidence that microplastics exposure reduces human fertility by 2026?

In 2030, what will consensus say is the primary cause of the increase in gender dysphoria over the past few decades?

Will Amish fertility drop below 5 children per women by the end of 2040?

Who will be the most successful pro-natalist by 2040?

Will the contaminant hypothesis of modern obesity be judged true by expert consensus before 2032?

In 2030, what will consensus say is the primary cause of the increase in autoimmune disorders over the past few decades?

Will over 1,000,000 people be conceived with the help of advanced embryo selection techniques by 2030?

Will 10% or more US births be selected embryos by 2030